main tain
英
美
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动词 maintain:
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keep in a certain state, position, or activity; e.g., "keep clean"
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keep in safety and protect from harm, decay, loss, or destruction
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supply with necessities and support
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state categorically
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have and exercise
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maintain for use and service
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maintain by writing regular records
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state or assert
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support against an opponent
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stick to correctly or closely
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以上内容独家创作,受著作权保护,侵权必究
海词词典,十七年品牌